Reference Manual

Table Of Contents
Appendix A: Technical Specifications
LUM0020CD Rev June-2020 Page 94 of 112 Copyright © 2019FreeWave
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Data Transmission
Data Transmission
Specification Description
Modulation
l 2 level GFSK
l 4 level GFSK
Link Throughput
l 8.3125 kbps, standard speed
l 16.875 kbps, high speed
Error Detection 32-bit CRC, retransmit on error
Hopping Channels 5,601 channels @ 6.25 kHz
Protocol
l Board Level Unit:
l RS232 / RS485 / RS422 (-C)
l TTL (-T)
l Enclosed Unit: RS232 / RS422 / RS485
General Information
General Information
Specification Description
Operating Temperature
l -3C to +60°C
l -2F to +14F
Humidity 0 to 95% non-condensing
Dimensions
l Board Level Unit
l 137.29 L x 61.85 W x 21.49 H (mm)
l 5.40 L x 2.44 W x 0.85 (in.)
l Enclosed Unit
l 172.71 L x 111.43 W x 34.19 H (mm)
l 6.80 L x 4.39 W x 1.35 H (in.)
Weight
l Board Level Unit: 74.4g (0.16 lbs.)
l Enclosed Unit: 605g (1.33 lbs.)
Interfaces
Interfaces
Specification Description
Data Interface Serial, 1200 bps to 230.4 kbps
LRS455A-C, LRS455A-CE, LRS455-T
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